\input zb-basic
\input zb-ioport
\iteman{io-port 50155788}
\itemau{Nesetril, Jaroslav; De Mendez, Patrice Ossona}
\itemti{How many f's are there in G?}
\itemso{Eur. J. Comb. 32, No. 7, 1126-1141 (2011).}
\itemcc{}
\itemut{}
\itemli{doi:10.1016/j.ejc.2011.03.007}
\end